An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.
NSN 5915-01-658-6472
NSN 5935-00-161-2921
NSN 6240-01-651-8628
NSN 6105-01-090-3831
NSN 4140-00-001-1536
NSN 5950-01-382-9337
NSN 5895-01-254-6698
NSN 5945-01-585-3705
NSN 5835-00-912-5656
NSN 5910-00-487-8841
NSN 5990-01-369-2764
NSN 6610-01-126-5616